import { Comparator } from './type';
export declare const intersectionBy: (compare?: Comparator | undefined) => <A>(aas: A[][]) => A[];
export declare const unionBy: (compare?: Comparator | undefined) => <A>(aas: A[][]) => A[];
export declare const intersectBy: (compare?: Comparator | undefined) => <A>(as1: A[]) => (as2: A[]) => A[];
export declare const uniteBy: (compare?: Comparator | undefined) => <A>(as1: A[]) => (as2: A[]) => A[];
export declare const subtractBy: (compare?: Comparator | undefined) => <A>(subtrahend: A[]) => (as: A[]) => A[];
export declare const uniqueBy: (compare?: Comparator | undefined) => <A>(as: A[]) => A[];
export declare const intersection: <A>(aas: A[][]) => A[];
export declare const union: <A>(aas: A[][]) => A[];
export declare const intersect: <A>(as1: A[]) => (as2: A[]) => A[];
export declare const unite: <A>(as1: A[]) => (as2: A[]) => A[];
export declare const subtract: <A>(subtrahend: A[]) => (as: A[]) => A[];
export declare const unique: <A>(as: A[]) => A[];